Finding the Fourth Proportional to 13,074.01, 18,042.07 and 7,105.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.01 : 18,042.07 = 7,105.69 : x
2. Step 2: Convert to fraction form
   13,074.01/18,042.07 = 7,105.69/x
3. Step 3: Cross multiply
   13,074.01x = 18,042.07 × 7,105.69
4. Step 4: Simplify right side
   13,074.01x = 128,201,356.38
5. Step 5: Solve for x
   x = 128,201,356.38/13,074.01
6. Step 6: Final answer
   x = 9,805.82